Customer Questions and Answers for Dual Infinite Switch (Surface Element Control) by Frigidaire

This dual infinite switch controls the inner and outer portions of a dual surface element on your range, providing smooth, adjustable heat levels. Replacing a failed switch restores reliable heating and proper temperature regulation for both ring sizes.

• Regulates power to both the small and large sections of a dual burner
• Typical failure symptoms: only one ring heats, no heat, won't switch between sizes, or heat stuck on high/erratic
• Mounts behind the surface knob and governs burner temperature settings
• Restores consistent simmer-to-boil control across all settings

• Disconnect power at the breaker and allow the cooktop to cool completely
• Access the control panel, then photograph or label all wire positions before removal
• Move wires to the new switch one at a time, matching terminal markings
• Reuse the existing knob; reassemble and test both inner and outer element settings